{"uid":"cap_FcWqiSjWIMUWvnH7xAcDG","slug":"47620-crypto-derivatives-context-api-sol-25b3e1fb","name":"47620 Crypto Derivatives Context API (SOL)","description":"Perpetual-futures context for a coin: last funding rate (and %), mark vs index price, next funding time, and open interest (base + USD). The signal a derivatives/trading agent checks before sizing a position.","url":"https://47620.xyz/x/crypto/derivatives/SOL?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"pathParams":{"type":"object","required":["symbol"],"properties":{"symbol":{"type":"string","description":"Perpetual-futures context for a coin: last funding rate (and %), mark vs index price, next funding time, and open interest (base + USD). The signal a derivatives/trading agent checks before sizing a position."}},"additionalProperties":false},"queryParams":{"type":"object","properties":{"fields":{"type":"string","description":"Optional comma-separated top-level response keys to keep (e.g. \"health,slot,solUsd\"). Omit for the full payload."}},"additionalProperties":false}},"additionalProperties":false},"output":{"type":"object","required":["type","example"],"properties":{"type":{"type":"string","const":"json"},"example":{"type":"object","required":["ok","endpoint"],"properties":{"ok":{"type":"boolean"},"endpoint":{"type":"string"}},"additionalProperties":true}},"additionalProperties":false}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.005","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.005/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_ldtdYaSmWIC-Fr60wyxA5","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns perpetual-futures market data for a given coin, including last funding rate, mark vs index price, next funding time, and open interest in both base and USD.","exampleAgentPrompt":"What's the current funding rate, mark vs index price, and open interest for SOL perpetual futures right now? I want to check derivatives conditions before sizing a position.","exampleUseCases":[{"title":"Pre-trade derivatives check for SOL","prompt":"Before I open a long position on SOL, can you pull the current funding rate, mark vs index price spread, and total open interest for SOL perps so I can gauge sentiment and sizing risk?"},{"title":"Monitoring SOL funding rate for arbitrage","prompt":"Keep an eye on the SOL perpetual futures funding rate — tell me what it is right now and when the next funding payment hits, so I can decide whether to go long spot and short perp."},{"title":"Automated trading bot position sizing","prompt":"My trading bot needs the current SOL perp market context — specifically the last funding rate percentage, mark price, index price, and open interest in USD — to calculate how large a position to take."}],"resultDescription":"A JSON object containing the perpetual futures context for the requested coin, including the last funding rate value and percentage, mark price, index price, timestamp of next funding, and open interest in both base token units and USD equivalent.","failureModes":["Invalid or unsupported coin symbol returns an error or empty result","Stale data if the upstream exchange API is delayed","Payment failure (402) if USDC balance is insufficient","Rate limiting if called too frequently","Symbol not listed on the underlying derivatives exchange returns no data"],"whenToPreferThis":"Use this endpoint when an agent needs real-time perpetual-futures context for a specific coin — particularly funding rate, mark/index price spread, and open interest — before making a derivatives trading decision. It is purpose-built for derivatives/trading agents that need a single concise data call rather than scraping multiple exchange APIs. Prefer this over generic market data APIs when the use case is specifically futures/perp trading signals.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T00:46:52.171Z","isFirstParty":false,"canonicalSlug":"47620-crypto-derivatives-context-api-sol-25b3e1fb"}